﻿using ERPSystem.Common.Domains.Delivergoods;
using ERPSystem.Common.Domains.SalesOrderCommom;
using ERPSystem.Common.DTO;
using ERPSystem.Common.Infrastructure.IRepository;
using ERPSystem.Enum.CommonErrorCodes;
using MediatR;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using SalesManagementWrite.API.SalesManagementWrites.Deliverynotice;
using System.Globalization;

namespace SalesManagementWrite.API.OutOfStock
{
    /// <summary>
    /// 导入销售出库
    /// </summary>
    public class SaleOutOfStockDHander : IRequestHandler<SaleOutOfStockDCommand, Result>
    {
        private readonly IBaseRepository<SaleOutOfWarehouse>  baseRepository;

        public SaleOutOfStockDHander(IBaseRepository<SaleOutOfWarehouse> baseRepository)
        { 
            this.baseRepository = baseRepository;
        }

        /// <summary>
        /// 销售出库导入
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<Result> Handle(SaleOutOfStockDCommand request, CancellationToken cancellationToken)
        {
            var result = new Result() { Code = (int)CommonErrorCode.Search };
            //获取文件扩展名 判断上传的文件类型是否正确
            var ext = Path.GetExtension(request.file.FileName);
            if (ext == ".xls" || ext == ".xlsx")
            {

            }
            else
            {
                result.Msg = "您上传的文件类型不正确";
                return result;
            }
            using (MemoryStream ms = new MemoryStream())
            {
                request.file.CopyTo(ms);
                ms.Position = 0;

                //根据文件扩展名创建对应的工作簿对象(HSSFWorkbook用于.xls，XSSFWorkbook用于.xlsx)
                //获取工作簿
                IWorkbook wb = null;
                if (ext == ".xls")//创建97-2003
                {
                    wb = new HSSFWorkbook(ms);
                }
                else//创建2007及以上版本
                {
                    wb = new XSSFWorkbook(ms);
                }
                //获取sheet 获取工作簿中的第一个工作表
                ISheet sheet = wb.GetSheetAt(0);

                int totalRows = sheet.LastRowNum;//总行数
                int totalCells = sheet.GetRow(0).LastCellNum;//总列数

                // 创建一个用于存储解析后的数据的列表
                var farrowingsList = new List<SaleOutOfWarehouse>();

                //循环总行数 开头必须是1 不然从表头开始
                //遍历工作表的每一行（从第二行开始，因为第一行通常是表头）
                for (int i = 1; i <= totalRows; i++)
                {
                    //获取当前行
                    IRow row = sheet.GetRow(i);

                    //这个类必须写到循环里边 不然你批量添加只能添加一行
                    var dto = new SaleOutOfWarehouse();// 在循环内创建新的对象实例
                    //下标从0开始 导入时 外键需进行判断 客户不知道你是外键 只会输入文字 需要在后台判断
                    //日期转换
                    //日期在excel表中必须是年月日格式 但不能加时分秒 (注意!!!!)
                    dto.DocumentNumber = row.GetCell(0).ToString();
                    dto.DocumentDate = row.GetCell(1).ToString();
                    //string[] multipleFormats1 = { "dd-M月-yyyy", "yyyy-M-dd" };
                    //DateTime parsedDate;
                    //foreach (var format in multipleFormats1)
                    //{
                    //    if (DateTime.TryParseExact(inputDate1, new[] { format }, CultureInfo.InvariantCulture, DateTimeStyles.None, out parsedDate))
                    //    {
                    //        dto.DocumentDate =  Convert.ToString(parsedDate.ToString("yyyy-MM-dd"));
                    //        break;//成功解析后跳出循环
                    //    }
                    //}
                    dto.DocumentType= row.GetCell(2).ToString();
                    dto.DocumentStatus = row.GetCell(3).ToString();
                    dto.BusinessStatus = row.GetCell(4).ToString();
                    dto.BusinessType = row.GetCell(5).ToString();
                    dto.ItemBianma = row.GetCell(6).ToString();
                    dto.NoteInformation = row.GetCell(7).ToString();
                    dto.BusinessUnit = Convert.ToInt32(row.GetCell(8).ToString());
                    dto.CustomerProfileName = row.GetCell(9).ToString();
                    dto.InvoiceNumber = row.GetCell(10).ToString();
                    dto.OperatorId = row.GetCell(11).ToString();
                    dto.Period = row.GetCell(12).ToString();
                    dto.ShippingType = row.GetCell(13).ToString();
                    dto.WarehouseId = Convert.ToInt32(row.GetCell(14).ToString());
                    dto.BusinessPersonnel = row.GetCell(15).ToString();
                    //添加到数据集合中
                    farrowingsList.Add(dto);
                }
                //跳出循环后 使用AddRange进行批量添加
                var res = await baseRepository.AddRange(farrowingsList);
                //判断
                if (res > 0)
                {
                    result.Msg = "导入成功";
                }
                else
                {
                    result.Msg = "导入失败";
                }
                return result;
            }
        }
    }
}
